Chapter 7 Soultions to Review

independent, men PA ) ant. P(A) * P(B) STA 28: Chapter 7 Review #1 disjoint events A and are mutually exclusive then A Um + P * (A) + P(B) Name Answers mutually even BC BI P(A)+P(B)-P(A an +B) -40 not Cured STA 2 Chapter Rep 11. Previous studies have shown that a particular treatment has a 50% Theron 0467 (6) 0 ^ 4 * 1 What is the probabrityisest A calculator is programmed to whole numbers between 1 and 15 Inumber 17 8/15 ly ambability that they are both elective f 12. A boc conia 12, 3 of which are defactiss moon at random, find the lion is replaced before the second section 3/12 * 3/12 0625 What is the 10455 41 the fest selection is not replaced before the second section is made 7/12, (3c)/11 15. Sudy-two permet af TCW sestave bot math and seneschde 7. A 35 costs of Democrats and 40 Res. Of the Democrats, Republicans for woman fana parson from this group istandorty M25 25 50 7294 DR and siena, Sind the probability that a randomly selected student takes mashorence bling columns .854.72-62 = 95 W35 15 50 15. in 60 patients given a vaccine 55 unfavorable reactions occured thereof art parts are randomly selected find the proty that they both had unfavorable readion 60 40 100 find the probebi getting a male Democrat? .85 (5a)/60 + 60/(sqrt(60)) - 25/(sqrt(180)) tind the probability of getting a 25 Label and complets way table crying af people M W 3 14. биррова не M. Eight of the man arrastered Republican (R) and 3 of the women are registered Republican. (Use foot Rapublicer Complete the Verdiagram with approprete amounts or protatis in each region. ene person from the group has 25/(10R) only selected and we at the per female what is ths probability that the person is a 30 15/50 6. Eight men and seven women have azzled for a temporary three dann autants are only women 0769 salt from this group, find the protsaily 7/156/14 5/13 9. Is couple plans to have found the probability that they are of of the same sex: Assти boys and gifs are squally illery and that births are independent. (1/2) ^ 4 = 0.0625 * 2 1250 10. If a day of the wow and a selected what is the Fisday and February 1/84 =...0.111 R8 R459 X Orara ttee dagram starting with gender) showing probabilities en branches and lingame 12 9 2.0 4 B 35/60 * 34/59 = 0.3362 P(h^ G ) otimes P(h) = 0.5h ^ T ) (* 4 )^ 6 5 / (62/95) = STA 2: Chapter 7 Review #2 Denhether the tum events soucting a day in Our selecting Day seaching a king from 12-do Name 2. If events and are mutually eve, must they so be complamentary? If events A and are complementary, mat they belyxiv Aquestion buerat gives event is "gating alloquit getting at least I quest wrong. no. 564 4. Asens arson committee for national health care consists of Demos, auband dents Fed the probability of getting each of the twing if random selections are made 10 10 Touching and termind and then drawn eat at at random. These cards are Frid the probabilit (3/9) ^ 3 0787 12286 naghtumaks. The of the fondles are psychology iщать, ма 30 1. Fed the protatsity of Mining and 40 33 M 1625 Given that the student la the student is male Fill the numeroal valves for the Ve Diagram Describe what the one of "Ferates" and "Soology not emale - not majoring in sociology. 5 12 endonumber constween the whole numbers and 12. find the probably ther 13. A certain test for the HIV has a 2014 sepustive Washington, DC th of of adults have HIV. Because screening can be sive isproutoutsoodboo ic cheaper Find the pritability that a person who trats poubive actually has HIV int Draw a tree The way tabis at the resursy gone and gradu level une 479 peting a male or a junior 171/2.40 100/240 35/240 713 .667 1146 gorting a female, given that the student is a junior Thl8 8 45/2536 523 Tertingghonore, given the An unprep student maternos the eight sesquiore on What is the probability that w 1 - (0.5) ^ 8 99% What is the probabity the answers are swing? 5) 100781 A quic consists of the true queandemqueinwering al randorn, what is the pay of getting a? 10625 Ao contains 12 arteries, are working and divit you tandonly select 2 tattos, whats the probability that one walks and 457 45 (585) 20 14 Worldwide, approoimately 1% of all att have AIDS Suppose that of the people set ADS, 10% wilde this year and of the people AIDS, 2% wildle this year List Avent that perunhas Dend Dat that person dies. A randomly selected person dies this year. What the prayat nhat AD? 10 die PADS dint 1048 A 10 + 3/10 6/10 * 5/1 = 30/90 = 1/3 1/2 * 1/2 * 1/4 3/2 * 12/(48 6/12) -> 0.5 2/3 - 2/6 - 1/3 8/14 + 9/14 - 5/14 = 9/4 15/270 9/11 + 3/11 + 3/12 * 9/11 (P(K ^ C))